Standard Practice for Sampling Fish with Rotenone

ABSTRACT
This practice covers determination of the quantitative and qualitative species composition of fish in a specified area. The successful use of this technique is dependent on: (1) preventing fish from escaping the sample area and (2) retrieving all affected fish, which may take up to three days. This practice is useful in both short- and long-term studies for management and impact assessment purposes. The sample area is blocked off with a small mesh net(s) and the volume of water to be treated is calculated. The required quantity of rotenone is diluted and distributed throughout the water column in the sample area. All fish should be affected and they should be collected for processing.
SCOPE
1.1 This practice covers determination of the quantitative and qualitative species composition of fish in a specified area. The successful use of this technique is dependent on: (1) preventing fish from escaping the sample area and (2) retrieving all affected fish, which may take up to three days.  
1.2 Advantages:  
1.2.1 Easily detoxified.  
1.2.2 All native freshwater fish are susceptible, but it has low toxicity to mammals and birds.  
1.2.3 At low concentrations fish toxicity depends on species, age, and size.  
1.2.4 The suffocating action is reversible.  
1.3 Limitations:  
1.3.1 It is less effective in cold (below 20°C) and highly alkaline water.  
1.3.2 Smaller fish and those without air bladders usually do not float.  
1.3.3 Completely random selection of sample areas is not possible.  
1.3.4 Overkill beyond sample area can sometimes occur.  
1.3.5 Food web organisms may be eliminated.  
1.4 Applications—this practice is useful in both short- and long-term studies for management and impact assessment purposes. It is adaptable to both lotic and lentic situations in littoral and limnetic areas.  
1.5 The values stated in inch-pound units are to be regarded as the standard. The values given in parentheses are for information only.  
1.6 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. For specific hazards, see Section 6.

General Information

Status
Historical
Publication Date
31-Dec-2013
Technical Committee
Drafting Committee
Current Stage
Ref Project

Relations

Effective Date
01-Jan-2014

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ASTM D4131-84(2014) - Standard Practice for Sampling Fish with Rotenone
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NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
Contact ASTM International (www.astm.org) for the latest information
Designation: D4131 − 84 (Reapproved 2014)
Standard Practice for
Sampling Fish with Rotenone
This standard is issued under the fixed designation D4131; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope 2. Referenced Document
1.1 This practice covers determination of the quantitative 2.1 ASTM Standards:
and qualitative species composition of fish in a specified area. D1193 Specification for Reagent Water
The successful use of this technique is dependent on: (1)
3. Summary of Practice
preventing fish from escaping the sample area and (2) retriev-
ing all affected fish, which may take up to three days.
3.1 The sample area is blocked off with a small mesh net(s)
and the volume of water to be treated is calculated. The
1.2 Advantages:
required quantity of rotenone is diluted and distributed
1.2.1 Easily detoxified.
throughoutthewatercolumninthesamplearea.Allfishshould
1.2.2 All native freshwater fish are susceptible, but it has
be affected and they should be collected for processing (1).
low toxicity to mammals and birds.
1.2.3 At low concentrations fish toxicity depends on
4. Apparatus
species, age, and size.
4.1 Vessels, for measuring and mixing rotenone and for
1.2.4 The suffocating action is reversible.
collecting fish.
1.3 Limitations:
4.2 Chemical Applicator, for boat use.
1.3.1 It is less effective in cold (below 20°C) and highly
4.2.1 Venturi Siphon or Automatic Boat Bailer that attaches
alkaline water.
to outboard motor’s cavatation plate.
1.3.2 Smaller fish and those without air bladders usually do
4.2.2 Gasoline-Powered Pump and Weighted Perforated
not float.
Hose.
1.3.3 Completely random selection of sample areas is not
possible. 1
4.3 Block-Off Net(s) ⁄4-in. (6.4-mm) bar mesh for lake-
1.3.4 Overkill beyond sample area can sometimes occur. 3
reservoir and small stream use or ⁄4 to 1-in. (19 to 25-mm) bar
1.3.5 Food web organisms may be eliminated.
mesh for larger streams).
1.4 Applications—this practice is useful in both short- and
4.4 Dip nets, for collecting fish.
long-term studies for management and impact assessment
4.5 Flat-Bottom Boats, 12 to 14-ft or larger.
purposes. It is adaptable to both lotic and lentic situations in
littoral and limnetic areas.
5. Reagents
1.5 The values stated in inch-pound units are to be regarded
5.1 Purity of Reagents—Reagent grade chemicals shall be
as standard. The values given in parentheses are mathematical
used in all tests. Unless otherwise indicated, it is intended that
conversions to SI units that are provided for information only
all reagents conform to the specifications of the Committee on
and are not considered standard.
Analytical Reagents of the American Chemical Society where
1.6 This standard does not purport to address all of the
such specifications are available. Other grades may be used,
safety concerns, if any, associated with its use. It is the
responsibility of the user of this standard to establish appro-
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
priate safety and health practices and determine the applica-
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
bility of regulatory limitations prior to use. For specific
Standards volume information, refer to the standard’s Document Summary page on
hazards, see Section 6. the ASTM website.
The boldface numbers in parentheses refer to a list of references at the end of
this standard.
Reagent Chemicals, American Chemical Society Specifications, American
This practice is under the jurisdiction of ASTM Committee D19 on Water and Chemical Society, Washington, DC. For suggestions on the testing of reagents not
is the direct responsibility of Subcommittee D19.24 on Water Microbiology. listed by the American Chemical Society, see Analar Standards for Laboratory
Current edition approved Jan. 1, 2014. Published March 2014. Originally Chemicals, BDH Ltd., Poole, Dorset, U.K., and the United States Pharmacopeia
approved in 1984. Last previous edition addition approved in 2008 as D4131 – 84 and National Formulary, U.S. Pharmaceutical Convention, Inc. (USPC), Rockville,
(2008). DOI: 10.1520/D4131-84R14. MD.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
D4131 − 84 (2014)
provided it is first ascertained that the reagent is of sufficiently 7.1.4 When fish start to surface, collect fish as quickly as
high purity to permit its use without lessening the accuracy of possible, or they will sink and may be lost.
the determination.
7.1.5 Detoxify by dispersing potassium permanganate equal
5.2 Purity of Water—Unless otherwise indicated, references to the rotenone concentration in the same manner as the
to water shall be understood to mean Type II reagent water
rotenone. Avoid dispersing excessive quantities of potassium
conforming to Specification D1193.
...

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